Two tier server



FIG. 1 is a perspective view of a two tier server showing a new design;

FIG. 2 is a side view of the two tier server of FIG. 1;

FIG. 3 is a top view of the two tier server of FIG. 1;

FIG. 4 is a bottom view of the two tier server of FIG. 1;

FIG. 5 is a right side view of the two tier server of FIG. 1; and,

FIG. 6 is a left side view of the two tier server of FIG. 1.

The components of the display shown in broken lines illustrate portions of the two tier server form no part of the claimed design. 

CLAIM What is claimed is the ornamental design for a two tier server, as shown and described. 